A plank of mass 87 kg and length 7.8 m is supported by, but not affixed to, two posts which are shown in the figure below. A 62 kg person starts walking along the plank to the right end. How close can the person get to the right end of the plank before the plank tips over? 7.8m 2.8m
A plank of mass 87 kg and length 7.8 m is supported by, but not affixed to, two posts which are shown in the figure below. A 62 kg person starts walking along the plank to the right end. How close can the person get to the right end of the plank before the plank tips over? 7.8m 2.8m
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Transcribed Image Text:A plank of mass 87 kg and length 7.8 m is supported by, but not affixed to, two posts which are
shown in the figure below. A 62 kg person starts walking along the plank to the right end. How
close can the person get to the right end of the plank before the plank tips over?
7.8m
2,8m
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